HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$876+ Cheap flights from Australia to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SDF
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Australia to Louisville

Keep the following information in mind while searching for Australia to Louisville flight deals. Data was last updated September 14, 2025.

Round-trip from

$955
(United Airlines)

One-way from

$876
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$1,262
From Australia to Louisville Intl
Search Deals
One-way flight from Australia to Louisville Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Australia to Louisville

Cheapest flights from Australia to Louisville
Explore the most affordable flight options available from Australia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amADL - SDF
2 stops45h 55mUnited Airlines
Mon 11/38:00 amSDF - ADL
3 stops40h 50mUnited Airlines
Deal found 9/11$1,612
This Qatar Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:35 pmADL - SDF
3 stops39h 00mQatar Airways
Mon 11/310:30 amSDF - ADL
3 stops54h 10mQatar Airways
Deal found 9/11$2,264

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Australia to Louisville that are best for you.

Fly from

Australia

Fly to

Louisville

Route

Depart

Return

Price

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 3/6

11:50 am-9:30 pm

1 stop25h 40m

Louisville Intl

Tue 3/10

3:50 pm-7:00 am

1 stop24h 10m

$955

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 3/6

10:40 am-9:45 pm

2 stops27h 05m

Louisville Intl

Tue 3/10

10:10 am-6:05 am

2 stops28h 55m

$955

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Fri 3/6

11:30 am-10:09 pm

2 stops26h 39m

Louisville Intl

Mon 3/9

3:20 pm-9:00 am

2 stops26h 40m

$974

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Fri 3/6

4:05 pm-7:42 pm

1 stop19h 37m

Louisville Intl

Mon 3/9

6:26 pm-5:00 am

2 stops67h 34m

$1,084

AdelaideLouisville

ADL - SDF

ADLSDF

Adelaide

Thu 10/30

6:00 am-1:25 pm

2 stops45h 55m

Louisville Intl

Mon 11/3

8:00 am-4:20 pm

3 stops40h 50m

$1,612

AdelaideLouisville

ADL - SDF

ADLSDF

Adelaide

Thu 10/30

12:35 pm-1:05 pm

3 stops39h 00m

Louisville Intl

Mon 11/3

10:30 am-8:10 am

3 stops54h 10m

$2,270

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Fri 3/6

4:05 pm-7:42 pm

1 stop19h 37m

Louisville Intl

Mon 3/9

2:19 pm-5:00 am

1 stop23h 41m

$2,423

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 12/25

11:50 am-9:54 pm

1 stop26h 04m

$876

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 12/25

2:15 pm-9:33 am

2 stops35h 18m

$876

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 12/25

9:40 pm-4:15 pm

3 stops34h 35m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Australia to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Australia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Louisville

What is the cheapest month to book a flight from Australia to Louisville?

Currently, January is the cheapest month in which you can book a flight from Australia to Louisville (average of $299). Flying from Australia to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AU to SDF?

Find hourly flight availability from Australia to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Louisville as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Australia to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Australia?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Australia to Louisville.

  • How long is the flight from Australia to Louisville?

    For as low as $1,084, United Airlines can have you in Louisville from Australia in 19h 37m. Australia and Louisville are separated by a distance of 9709 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Australia to Louisville one-way?

    One-way options have recently been found by users for as low as $876 on United Airlines. Other airlines that offer cheap prices include Delta from $876 and Japan Airlines from $1,447 one-way.

  • What are the most popular routes from Australia to Louisville?

    The most popular flight routes from Australia to Louisville are Melbourne - Louisville Intl, Adelaide - Louisville Intl and Sydney Kingsford Smith - Louisville Intl.

  • Can I find deals for flights from Australia to Louisville that include hotel bookings?

    Yes. In addition to deals on Australia to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Louisville.

  • Can I find deals for business class flights from Australia to Louisville?

    Yes. Cheapflights offers flight deals from Australia to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Australia to Louisville (average of $299). Flying from Australia to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights